Crab Cove Visitors Center Alameda history and marine life along the shoreline. Ongoing. 10 a.m. to 4 p.m. Wed.-Sun. $5 per vehicle when the kiosk is attended, $4 per trailered vehicle and $25. per bus. 1252 McKay Ave., Alameda. www.ebparks.org/parks/vc/crab_cove

San Mateo County History Museum “Your Country Needs You: Posters from World War II.” Through Oct. 7. “Peninsula at War: San Mateo County’s World War II Legacy.” Through Feb. 4, 2019. 2200 Broadway, Redwood City. 650- 299-0104. www.historysmc.org